JP2002194361A - Carbonization device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a carbonization device which can perfectly carbonize a material to be treated and perfectly burn an organic gas produced from the material. SOLUTION: This carbonization device is provided with a carbonizing furnace 2 for carbonizing the material to be treated, a burning burner means 60 for burning a fuel, an exhaust gas supply flow passage 64 for introducing the burnt exhaust gas burnt with the burning burner means 60 into the carbonization furnace 2, and a gas supply flow passage 66 for introducing the organic gas produced in the carbonization furnace 2 into the burning burner means 60. A bypass flow passage 134 is disposed in the gas supply flow passage 66 through a flow passage selector valve 132, and a water-removing means 136 is disposed in the bypass flow passage 134. When the flow passage selector valve 132 is turned to the second state, the organic gas from the carbonization furnace 2 flows through the bypass flow passage 134, subjected to the removal of water with the water-removing means 136, and then supplied to the burning burner means 60.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carbonization apparatus for carbonizing garbage, wood pieces, rubber pieces, plastic pieces, combustible wastes such as disposable diapers, and organic substances such as chicken dung.

[0002]

2. Description of the Related Art FIG.
Has a basic configuration as shown in FIG. This known carbonization apparatus includes a carbonization furnace 206 including a carbonization tank 202 that defines a processing chamber 201 and a heating tank 204 that defines a heating chamber 203.
And a first lid 210 for sealing the input port so as to be openable and closable, and a discharge port 212 and a second lid 214 for sealing the discharge port 212 so as to be openable and closable under the first lid 210.
Is provided. A rotating shaft 216 is rotatably supported by the carbonization tank 202, and a stirring member 218 is attached to the rotating shaft 216.
Is installed. A combustion burner means 220 is provided in association with the heating tank 204.
A combustion housing 224 defining a combustion chamber 222;
It comprises a combustion burner 226 attached to the combustion housing 224. The combustion chamber 222 of the combustion burner means 220 and the heating chamber 203 of the heating tank 204 communicate with each other through an exhaust gas supply passage 228. The processing chamber 201 of the carbonization tank 202 and the combustion chamber 222 communicate with each other through a gas supply passage. It is communicated via 230.

[0003] In such a carbonization apparatus, by opening the first lid 210, a processing object (garbage or the like) to be carbonized is charged into the processing chamber 201 of the carbonization tank 202 through the input port 208. You. Also, the second lid 214
Is opened, the carbonized material is discharged from the processing chamber 201 to the outside through the outlet 212. When carbonizing the processed material, the combustion exhaust gas generated by the combustion of the combustion burner 226 is supplied to the exhaust gas supply passage 2.
28, the fuel is supplied to the heating chamber 203 and the combustion exhaust gas in the heating chamber 203 causes the carbonization tank 202 and its processing chamber 2
The processing object accommodated in 01 is heated, and the carbonization processing of the processing object is performed by heating in this way. Further, the organic gas generated in the carbonization tank 202 during the carbonization process is supplied to the combustion burner means 220 through the gas supply channel 230, burned by the combustion burner 226, and sent to the heating chamber 203 together with the combustion exhaust gas. Be paid.

[0004]

In this known carbonization apparatus, combustion exhaust gas from a combustion burner is heated by a heating chamber 20.
3 and heats the carbonization tank 202 to thermally decompose the treated material in an oxygen-free state.
The system is supplied to the combustion burner means 220 through the gas supply passage 230 and incinerated by the combustion burner 226, thereby completely burning the organic gas in the processing chamber 201 and deodorizing. Therefore, when the water content of the treated product is large, for example, 10% or more, the following problem occurs. In the early stage of the carbonization treatment, a large amount of water vapor is generated from the processed material, and this water vapor is sent to the combustion burner means 220 through the gas supply passage 230 together with the organic gas. Cannot be completely burned. In addition, when the fuel temperature is reduced in this manner, the temperature of the generated combustion exhaust gas is also lowered, and it becomes difficult to heat the treated material to a sufficiently high temperature and efficiently perform the carbonization treatment.

SUMMARY OF THE INVENTION It is an object of the present invention to completely carbonize a processed product and completely burn an organic gas generated from the processed product without deteriorating the performance of a carbonization furnace even when the water content of the processed product is high. It is an object of the present invention to provide a carbonizing device capable of performing the above-mentioned.

[0006]

SUMMARY OF THE INVENTION The present invention provides a carbonization furnace for carbonizing a treatment product, a combustion burner means for burning fuel, and a combustion exhaust gas burned by the fuel burner means. An exhaust gas supply passage for guiding the organic gas generated in the carbonization furnace to the combustion burner means, and a gas supply passage for guiding the organic gas from the combustion burner means through the exhaust gas supply passage. The carbonization furnace is heated by the combustion exhaust gas to be heated, and in the carbonization device in which the organic gas supplied from the carbonization furnace through the gas supply channel is burned by the combustion burner means, Is provided with a bypass flow path via a flow path switching valve,
Moisture removing means is provided in the bypass flow path,
When the flow path switching valve is in the first state, the organic gas from the carbonization furnace is supplied to the combustion burner through the gas supply flow path, and the flow path switching valve is in the second state. In some cases, the organic gas from the carbonization furnace flows through the bypass passage, and is supplied to the combustion burner after the moisture is removed by the moisture removing unit.

According to the present invention, the combustion exhaust gas generated by the combustion burner is supplied to the carbonization furnace via the exhaust gas supply flow path, and the organic gas generated in the carbonization furnace is supplied to the gas supply flow path. The organic gas is supplied to the combustion burner means via the combustion burner means, and the organic gas is burned by the combustion burner means. A bypass channel is provided in the gas supply channel via a channel switching valve, and a moisture removing unit is provided in the bypass channel. When the flow path switching valve is in the first state, the bypass flow path is closed, and the organic gas from the carbonizing furnace is supplied to the combustion burner means through the gas supply flow path. On the other hand, when the flow path switching valve is in the second state, the gas supply flow path is closed, and the organic gas from the carbonization furnace is supplied to the combustion burner means through the bypass flow path. Since the bypass passage is provided with a moisture removing means, the moisture (water vapor) contained in the organic gas is removed by the moisture removing means, and the organic gas from which the moisture has been removed is sent to the combustion burner means. Be paid. Therefore, the temperature of the combustion burner does not decrease due to the water vapor in the organic gas, the organic gas can be incompletely burned by the combustion burner means, and the temperature of the combustion exhaust gas can be kept high. Carbonization can be performed efficiently. In the combustion burner, fuel such as combustion gas and fuel oil is burned.

In the present invention, the carbonization furnace is rotatably supported by a rotation support mechanism about an axis extending in a lateral direction, and a processing object is charged on an outer peripheral surface of the carbonization furnace. And a lid for opening and closing the charging and discharging port, and the carbonization furnace is configured such that the charging and discharging port is used when the processing object is charged and carbonized. The discharge port is held at a first angular position that opens upward, and the discharge port is held at a second angular position that opens downward when discharging the carbonized material.

According to the present invention, the carbonization furnace is provided with a charging / discharging port, through which the processed material is charged and the processed material is discharged. The carbonization furnace is rotatably supported about an axis extending in the lateral direction. When the processing object is charged or when the processing object is carbonized, the carbonization furnace is held at the first angular position, and the charging / discharging port is opened above the carbonization furnace. Therefore, by opening the lid, the material to be carbonized can be charged into the carbonization furnace through the opened charging / discharging port. When discharging the treated material, the carbonization furnace
, And the charging / discharging port is opened below the carbonization furnace. Therefore, by opening the lid,
The carbonized product can be discharged from the carbonization furnace to the outside through the opened charging / discharging port.

[0010] In this carbonization apparatus, since one charging / discharging port for charging / discharging the processed material is provided in the carbonization furnace, the heating area of the carbonization furnace can be enlarged.
It is possible to increase the heating efficiency of the carbonization furnace and the processing object stored therein. In addition, the inlet / outlet is opened and held above the carbonization furnace during the carbonization process, so that the processed material does not flow to the inlet / outlet, and thus the lid for sealing the inlet / outlet. The structure of the body can be made relatively simple, and the manufacturing cost of the carbonizing device can be reduced.

[0011] In the present invention, an inlet for charging a treatment product and a first lid for opening and closing the inlet are provided at an upper portion of the carbonizing furnace. At the lower part of the furnace, there is a discharge port for discharging the carbonized material, and a second port for opening and closing the discharge port.
Is provided. According to the present invention, the inlet is provided at the upper part of the carbonizing furnace, and the outlet is provided at the lower part thereof. The organic gas generated in the carbonizing furnace can be applied to such a carbonizing furnace. Can be removed.

[0012] In the present invention, the carbonized layer is constituted by a carbonizing tank for accommodating a material to be carbonized, and a heating tank for defining a heating chamber so as to cover the outside of the carbonizing tank. The combustion exhaust gas from the combustion burner is supplied to the heating chamber through the exhaust gas supply passage. According to the present invention, the carbonization furnace includes a carbonization tank and a heating tank covering the outside thereof, and the combustion exhaust gas from the combustion burner is supplied to the heating chamber of the heating tank via an exhaust gas supply flow path. The combustion exhaust gas sent to the heating chamber can heat the carbonization tank and the processing object stored therein.

In the present invention, the carbonization furnace has a substantially cylindrical outer shape, a central axis of which extends in the lateral direction, and the charging / discharging port of the carbonization furnace is located at the first angular position. It is characterized in that it is located at or near the uppermost position at one time, and is located at or near the lowermost position when at the second angular position. According to the present invention,
When in the first angular position, the charging / discharging port is located at or near the uppermost position of the carbonizing furnace, so that the processed material can be charged into the carbonizing furnace through the charging / discharging port, and the processed material during the carbonizing process can be charged. Flow to the inlet / outlet can be reliably prevented. In addition, when at the second angular position, the charging / discharging port is located at or near the lowest position of the carbonization furnace, so that the carbonized treatment product can be reliably discharged from the carbonization furnace to the outside.

According to the present invention, between the carbonizing furnace and the combustion burner means, an inner cylindrical member and an outer cylindrical member which are disposed concentrically and rotatably relative to each other are provided. A frame swivel joint structure including the inner tubular member defining a part of the exhaust gas supply passage, and the outer tubular member defining a part of the gas supply passage. Features. According to the present invention, a frame swivel joint structure is provided between the carbonization tank and the combustion burner means, and an inner cylindrical member of the frame swivel joint structure defines a part of the exhaust gas supply passage, and Since the outer tubular member defines a part of the gas supply passage, the temperature of the combustion exhaust gas flowing through the exhaust gas supply passage is relatively high, and the temperature of the gas from the carbonization tank flowing through the gas supply passage is Is relatively low, combustion exhaust gas with a relatively high temperature flows through the inner cylindrical member, and gas from a carbonization tank with a relatively low temperature flows through the outer cylindrical member, thereby suppressing the temperature rise of the frame swivel joint structure. ,
For example, damage to components such as bearings due to heat can be prevented.

Further, in the present invention, a rotation shaft is rotatably supported on the carbonization furnace, and a stirring member for stirring the processed material is mounted on the rotation shaft. According to the present invention, the rotating shaft on which the stirrer is mounted is rotatably supported in the carbonization furnace, so that by rotating the rotation shaft, the processed material accommodated in the carbonization furnace is required by the stirring member. Thus, the carbonization of the processed product can be made uniform.

Further, in the present invention, both ends of the rotating shaft are rotatably supported via bearing means, and a heat insulating material is disposed inside an intermediate portion in the axial direction excluding the both ends of the rotating shaft. It is characterized by having. According to the present invention, since the heat insulating material is provided inside the axially intermediate portion of the rotating shaft, the heat is transmitted to both ends (portions supported by the bearing means) of the rotating shaft by the heat insulating material. It is possible to suppress the influence of heat on the bearing means. As the heat insulating material, for example, a heat insulating filler is used.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a carbonizing device according to the present invention will be described below with reference to FIGS. FIG. 1 is a sectional view showing an embodiment of a carbonizing apparatus according to the present invention, and FIG. 2 is a sectional view showing a frame swivel joint structure and its vicinity in the carbonizing apparatus shown in FIG.
FIG. 4 is a cross-sectional view showing a rotating shaft of the carbonizing device of FIG. 1 and its vicinity, and FIG. 4 is a cross-sectional view showing a main part of the carbonizing device of FIG.

In FIG. 1, the illustrated carbonization apparatus includes a carbonization furnace 2 for carbonizing processed materials such as garbage, wood chips, and combustible waste, and the carbonization furnace 2 has a substantially cylindrical carbonization tank. 4 and a heating tank 6. The carbonization tank 4 has a cylindrical inner peripheral side wall 8 and end walls 10 and 12 for closing both end surfaces of the inner peripheral side wall 8, and the inner peripheral side wall 8 and the end walls 10 and 12 are substantially sealed. A processing chamber 14 is defined.
The heating tank 6 has a cylindrical outer peripheral side wall 16, which is disposed radially outward so as to cover the inner peripheral side wall 8. Both end surfaces of the outer peripheral side wall 16 are closed by end walls 10 and 12 for closing both end surfaces of the inner peripheral side wall 8, and the outer peripheral side wall 16 and the end walls 10 and 12 are closed by the carbonization tank 4.
The heating chamber 18 is defined on the radially outside of the inner peripheral side wall 8. In this embodiment, the end walls 10 and 12 are configured as a common end wall of the carbonization tank 4 and the heating tank 6.
The inner peripheral side wall 8 and the outer peripheral side wall 16 of the heating tank 6 may be closed by separate end walls.

The carbonization furnace 2 includes a rotation support mechanism 2 described later.
0, it is supported rotatably about an axis extending in the horizontal direction, that is, the horizontal direction in FIG. A charging / discharging port 21 is provided at a predetermined position on the peripheral side surface of the carbonizing furnace 2. In the embodiment, a short cylindrical member 22 that opens to the processing chamber 14 is connected to the peripheral side wall 8 of the carbonization tank 4, and the short cylindrical member 22 passes through the heating chamber 18 and the outer peripheral side wall 16 of the heating tank 6.
, And project outwardly, and the input / output port 21 is defined by the short cylindrical member 22.

The carbonization tank 2 is provided with a lid 23 for sealing the charging / discharging port 21 so that it can be opened and closed. In this embodiment, the lid 23 is pivotally attached to the distal end portion of the short cylinder member 22 and is attached to be openable and closable between a closed position shown by a solid line in FIG. 1 and an open position shown by a two-dot chain line in FIG. ing.
When the lid 23 is turned to the open position, the charging / discharging port 21 is opened, and the material to be carbonized can be introduced into the processing chamber 14 through the charging / discharging port 21 as described later. Through the process, the carbonized material can be discharged from the processing chamber 14 as described later. On the other hand, when the lid 23 is turned to the closed position, the charging / discharging port 21 is sealed, and the outflow of the processing object and gas in the processing chamber 14 to the outside is reliably prevented.

Referring also to FIG. 3, a rotating shaft 2
4 is rotatably mounted, and one end (the left end in FIGS. 1 and 3) of the rotating shaft 24 is one end wall 1 of the carbonization tank 4.
0 and the other end (the right end in FIGS. 1 and 3) is supported by the other end wall 12 of the carbonization tank 4. In this embodiment, the shaft member 24 includes a first shaft member 25 supported by one end wall 10 and a second shaft member 25 supported by the other end wall 12.
The shaft member 26 and a third connecting the shaft members 25 and 26
The rotating shaft 24 is constituted by a shaft member 27 and connecting these members.

A plurality (three in this embodiment) of agitating members 28 are provided at an intermediate portion in the axial direction (left and right directions in FIGS. 1 and 3) of the rotary shaft 24 at intervals in the axial direction. These agitating members 28 stir the processing object accommodated in the processing chamber 14 as required, thereby achieving uniform carbonization of the processing object. One end (or other end) of the rotating shaft 24
Is supported as follows: End wall 1 of carbonization tank 4
0 (or 12) is provided with a sleeve member 30 (or 31), and a bearing is provided between the outer end of the sleeve member 30 (or 31) and the first shaft member 25 (or the second shaft member 26). A ball bearing 32 (or 33) is interposed as a means. The inner end of the sleeve member 30 (or 31) has a large thickness, and the heat-resistant seal ring 34 (or the elastic member) having elasticity between the inner end and the first shaft member 25 (or the second shaft member 26). 35) is interposed. Further, a bolt 36 (or 37) (see FIG. 3) is screwed into a thick portion of the inner end of the sleeve member 30 (or 31), and the ring pressing member 40 (or 37) is screwed to the bolt 36 (or 37). Or 4
Adjustment nut 38 (or 39) is screwed through 1),
The heat-resistant seal ring 34 (or 35) is pressed by screwing the adjustment nut 38 (or 39). With this configuration, both ends of the rotating shaft 24 are rotatably supported via ball bearings 32 and 33, and the gap between the end walls 10 and 12 of the carbonization tank 4 and the rotating shaft 24 is formed by a heat-resistant seal ring 34. The pressing force is adjusted by rotating the adjustment nuts 36 and 37 in the axial direction (left and right directions in FIGS. 1 and 3) of the seal rings 34 and 35. By providing the seal rings 34 and 35 in this manner, high-temperature gas in the processing chamber 14 is prevented from leaking to the outside, and adverse effects on the ball bearings 32 and 33 due to heat can be prevented.

In this embodiment, in order to suppress heat transfer to the ball bearings 32 and 33, the rotating shaft 24 is configured as follows. Referring to FIG. 3, third shaft member 27 is formed of a hollow pipe, and a concave portion extending in the axial direction is formed at the inner end of first and second shaft members 25 and 26. Hollow space and first and second shaft members 25, 2
The concave space 6 is filled with a heat-resistant heat insulating material 42. As described above, the heat-resistant heat insulating material 4 is provided at the axially intermediate portion of the rotating shaft 24.
By filling with 2, the heat transfer to both ends of the rotating shaft 24 is suppressed, and the adverse effects of heat on the ball bearings 32 and 33 can be suppressed. As such a heat-resistant heat insulating material 42, for example, a heat insulating filler material manufactured and sold by Takeami Seisakusho under the trade name "White Seal" can be used.

In order to further suppress the transfer of heat from the processing chamber 14 to the ball bearings 32 and 33, in this embodiment, the sleeve 3
The heat-resistant heat insulating material 4 is also provided inside the thick portion at the inner end portion of 0,31.
4 are filled. If the desired effect is obtained,
The heat resistant heat insulating material 42 may be filled only in the third shaft member 27. The illustrated rotation support mechanism 20 includes a rotation shaft 24.
And a furnace supporting means 46 for rotatably supporting a lower portion of the end wall 12 side of the carbonization furnace 2 below and to the left and right with respect to the rotation center of the carbonization furnace 2. ing. The shaft support means 45 includes a support leg 47 installed on the ground, and an annular receiving member 48 is attached to the tip of the support leg 47, and the rotating shaft 24 is supported by the receiving member 48 via a ball bearing 49. I have. Also, the furnace support means 46
Has two pairs of supporting legs 51 (only one is shown in FIGS. 1 and 3) having a pair of legs 50, and each supporting leg 5
A roller 52 is rotatably mounted on the front end of the roller. On the other hand, the outer peripheral side wall 16 is provided on the outer peripheral portion of the end wall 12 of the carbonization furnace 2.
A support flange 53 is provided which protrudes radially outward from the support flange 53. The support flange 53 is supported by the rollers 52 of the two sets of support legs 51 of the furnace support means 46. With such a configuration, the carbonization furnace 2 is rotatably supported relative to the rotating shaft 24.

In this embodiment, as shown in FIG. 1, a ring-shaped drive gear 56 (omitted in FIG. 3) is attached to the outer surface of the end wall 10 of the carbonization tank 4, and this drive gear 56 A drive transmission member 5 such as a toothed belt is attached to an output gear (not shown) of an electric motor 57 constituting a drive source.
8 for drive connection. Therefore, the electric motor 5
7 rotates in a predetermined direction (or in a direction opposite to the predetermined direction), the carbonization furnace 2 (carbonization tank 4 and heating tank 6) is moved through the output gear, the drive transmission member 58, and the drive gear 56, for example, as shown in FIGS. In this case, the carbonization furnace 2 is rotated clockwise (or counterclockwise) as viewed from the right side, and by this rotation, the carbonization furnace 2 is at the first angular position shown in FIGS. It is located at the second angular position. In the first angular position shown in FIG. 1 and FIG.
Is located at or near the uppermost position of the carbonization furnace 2, is opened upward, and the lid 23 is opened, so that the processing to be processed into the processing chamber 14 of the carbonization tank 4 through the charging / discharging port 21. You can put things in. In this first angular position, the charging / discharging port 21 may be opened to the upper side of the carbonization furnace 2. With such a configuration, the processing object can be transferred through the charging / discharging port 21 to the processing chamber 14. Can be thrown in. In addition, in the second angular position shown in FIG. 4, the charging / discharging port 21 is located at the lowest position of the carbonization furnace 2 or in the vicinity thereof and is opened downward, and by opening the lid 23, The processed material in the processing chamber 14 of the carbonization tank 4 can be discharged to the outside through the charging / discharging port 21. In the second angular position, the charging / discharging port 21 may be opened to the lower side of the carbonization furnace 2.
Through the process, the processed material can be discharged out of the processing chamber 14.

A driving sprocket 67 is attached to one end of the rotary shaft 24. The driving sprocket 67 is an output sprocket (not shown) of an electric motor 69 constituting a driving source via a driving transmission member 68 such as a chain. Drive-coupled. With this configuration, when the electric motor 69 operates, the rotating shaft 24 and the stirring member 28 mounted on the rotating shaft 24 are rotated in a predetermined direction via the output sprocket, the drive transmitting member 68, and the drive sprocket 67, thereby causing carbonization. The processed material in the tank 4 is stirred as required.

In relation to the carbonizing furnace 2, this carbonizing furnace 2 is
And a lock means (not shown) for releasably locking to the second angular position. The lock means may have a known structure. By providing such a lock means, the carbonization furnace 2 can be securely locked at the first angular position when the workpiece is charged or when the workpiece is carbonized. And the carbonization furnace 2 is switched to the second
The lock position can be securely held at the angle position of, and the safety of the carbonization furnace 2 can be ensured.

In connection with the heating tank 6, there is provided a combustion burner means 60 for burning fuel, for example, fuel oil and fuel gas. The combustion burner means 60 includes a combustion housing 62 defining a combustion chamber 61 and a combustion burner 6 for burning fuel.
The fuel from the combustion burner 63 is burned in the combustion chamber 61. The combustion chamber 61 of the combustion burner means 63 and the heating chamber 18 of the heating tank 6 are connected via an exhaust gas supply passage 64 formed by, for example, a pipe. The generated combustion exhaust gas is supplied to the heating chamber 18 through the exhaust gas supply flow path 64 to heat the carbonization tank 4 and the processing object accommodated therein (the processing chamber 14), and then supply the heated carbonization tank 4 to the heating chamber 18. The burned exhaust gas is discharged to the outside through the exhaust passage 65. Further, the processing chamber 14 of the carbonization tank 4, in this embodiment, the base of the short cylinder member 22 and the combustion chamber 61 of the combustion burner means 60 are connected via a gas supply channel 66 formed by, for example, a pipe. The organic gas generated during the carbonization process is supplied to the combustion chamber 61 through the gas supply passage 66, supplied to the combustion flame from the combustion burner 63, burned together with the fuel, and used as heating fuel. By burning the organic gas in this way, it is possible to eliminate the discharge of the organic gas to the outside, and to keep the environment safe.

In this carbonizing device, the gas supply passage 6
6 is provided with a bypass flow path 134 via a flow path switching valve 132. The bypass flow path 134 includes a moisture removing means 136, a suction pump 144, and a gas opening / closing valve 146.
Are provided in this order. In this embodiment, the flow path switching valve is selectively held in the first and second states. When in the first state, the bypass path 134 is closed, and the carbonization tank 4 is closed.
Is led to the combustion burner means 60 through the gas supply passage 66, and in the second state, the gas supply passage 66 is closed, and the organic gas from the carbonization tank 4 is supplied to the gas supply passage 66. It is led to the combustion burner means 60 through the upstream side, the bypass flow path 134 and the downstream side of the gas supply flow path 66.

The illustrated water removing means 136 comprises a condenser (heat exchanger) 140 provided with a cooling fan 138 and a separator 142 for separating water and water, but may have a structure other than such a structure. Flow path switching valve 132, cooling fan 138, suction pump 144, and gas on-off valve 14
6 operates in conjunction with each other to operate the flow path switching valve 132 to
When the cooling fan 138 rotates, the suction pump 144 operates at the same time, the gas on-off valve 146 is also opened, and the organic gas flowing into the bypass flow path 134 flows downstream of the gas supply flow path 66. It comes back to the side. on the other hand,
When the flow path switching valve 132 is operated to return to the first state, the operations of the cooling fan 138 and the suction pump 144 are stopped, and the gas on / off valve 146 is closed, so that the organic liquid flowing through the gas supply flow path 66 is turned off. Gas does not flow through the bypass flow path 134. Incidentally, the suction pump 144 is for actively guiding the organic gas to the bypass passage 134, and if the suction force in the combustion burner means 60 is strong, the suction pump 144 is not necessarily required.
34, and the gas on / off valve 146 is also provided when the bypass passage 134 is not used.
6 is for preventing the gas of No. 6 from flowing back to the bypass flow path 134.
It is not necessary.

The separator 142 has a two-layer tank structure in which an upper tank 150 and a lower tank 152 are stacked. The bottom side surfaces of the upper tank 150 and the lower tank 152 are communicated with each other through a water pipe 154. A first on-off valve 156 is provided at an intermediate portion of the water pipe 154. Also, upper side surfaces of the upper tank 150 and the lower tank 152 are communicated with each other through a ventilation pipe 158,
The ventilation pipe 154 is provided with a second on-off valve 160. Also, the third on-off valve 16 is provided on the side of the lower tank 152.
The drain pipe 166 provided with a fourth on-off valve 168 is connected to the bottom surface of the lower tank 152. Usually, the first on-off valve 156
And the second on-off valve 160 are opened, and the third on-off valve 164 is opened.
And the fourth on-off valve 168 are kept closed.

With the above-described structure, the flow path switching valve 132 is operated to the second state to operate the bypass flow path 13
4 is opened, the high-temperature organic gas generated during the carbonization process is sucked by the action of the suction pump 144 and flows into the bypass flow path 134, and is cooled by the condenser 140 to condense the water vapor contained in the organic gas. After being separated into organic gas and water, the upper tank 1
Flow into 50. The water that has entered the upper tank 150 accumulates at the bottom of the tank 150, and the organic gas accumulates at the upper part of the upper tank 150, and is separated into organic gas and water in the upper tank 150. Then, the organic gas accumulated in the upper part of the upper tank 150 passes through the gas on-off valve 146 via the bypass passage 134 and is returned to the downstream side of the gas supply passage 66. On the other hand, a first on-off valve 15 provided in a water pipe 154 for communicating the upper tank 150 and the lower tank 152 is provided.
6 is held in the open state, the water collected at the bottom of the upper tank 150 flows into the lower tank 152 via the water pipe 154, and thus the organic gas and the separated water are completely separated. Is done. In addition, both upper and lower tanks 150,
Since the second opening / closing valve 160 provided in the ventilation pipe 158 communicating with the second tank 152 is kept open, the organic gas inside the lower tank 152 flows through the ventilation pipe 154 as the water flows into the lower tank 152. It flows into the tank 150. Therefore, during the operation of the water removing means 136,
The water that has entered the upper tank 150 passes through the water pipe 154 without accumulating in the upper tank 150, and the lower tank 152.
Will collect at the bottom of the

When a predetermined amount of water is accumulated in the lower tank 152, the first on-off valve 156 and the second on-off valve 160 are closed, while the third on-off valve 164 and the fourth on-off valve 168 are opened. Thus, the upper tank 150 and the lower tank 1
The communication with the second tank 52 is shut off, and in such a state, the water accumulated in the lower tank 152 is discharged to the outside via the drain pipe 166. At this time, the closed lower tank 15
The inside of the lower tank 1 is communicated with the atmosphere via the third on-off valve 164 and the ventilation pipe 162 in the open state.
The water in 52 can be discharged smoothly.

In the carbonization apparatus of this embodiment, as shown in FIGS. 1 and 3, when the carbonization furnace 2 is at the first angular position, the charging / discharging port 21 is located at the uppermost position or in the vicinity thereof. In addition, by configuring one end of the gas supply flow path 66 to be connected to the short cylinder member 22, it is possible to feed the processed material to substantially the entire processing chamber 14 of the carbonization tank 4,
The processing capacity of the carbonizing device can be increased. In this carbonization device, the combustion burner means 60 is fixedly installed, whereas the carbonization furnace 2 is rotatably supported by the fixedly installed rotation support mechanism 20. A frame swivel joint mechanism 70 is provided therebetween.
2. Referring mainly to FIG. 2, frame swivel joint structure 7
Explaining about 0, the illustrated frame swivel joint structure 70 includes an inner cylindrical member 71 and an outer cylindrical member 72 that are arranged concentrically. As understood from FIGS. 1 and 2, the inner cylindrical member 71 disposed inside constitutes a part of the exhaust gas supply passage 64, and one end thereof (the right end in FIGS. 1 and 2). Is connected to a pipe 73 defining an exhaust gas supply passage 64. The outer tubular member 72 is disposed so as to cover the inner tubular member 71, and one end of the outer tubular member 72 extends to one end side from an intermediate portion of the inner tubular member 71. An annular flange 74 is provided at the other end of the outer cylindrical member 72.
The annular flange 74 is connected to an annular flange 75 of a pipe 73 defining an exhaust gas supply passage 64. Further, a seal holding member 76 is interposed between the annular flanges 74 and 75, and the seal holding member 76 has a holding portion 77 extending in the axial direction between the inner cylindrical member 71 and the outer cylindrical member 72. A heat-resistant seal ring 78 is provided between the holding portion 77 and the inner cylindrical member 71.

The outer tubular member 72 is connected to the gas supply passage 6.
6 is connected to a pipe pipe 79 that defines a gas supply channel 66 at the other end. A connecting member 80 is provided so as to cover one end of the inner cylindrical member 71, and the connecting member 80 is fixed to the inner cylindrical member 71. The open end surface of the connection member 80 faces one end surface of the outer cylindrical member 72, and the outer cylindrical member 72 and the connection member 80 define a substantially continuous gas supply channel 66. The connection pipe 81 of the connection member 80 is connected to a pipe that defines the gas supply passage 66.

Further, a pair of disc springs 82 are interposed between the outer cylindrical member 72 and the connecting member 80, and the disc springs 8
The following structure is adopted so that gas does not leak outside through the space between the two. A thick sleeve 83 is attached to one end of the outer cylindrical member 72, a support cover 84 is provided so as to cover the thick sleeve 83, and one end of the first cover 85 of the support cover 84 is fixed to the connection member 80. The other end of the first cover 85 of the support cover 84 and the second cover 86 are attached to the distal ends of the support legs 88 by mounting bolts 87. A ball bearing 89 constituting bearing means is interposed between the second cover 86 and the thick sleeve 83, and a heat-resistant seal ring 90 is interposed axially inside the ball bearing 89. The ring pressing member 91 for adjusting the pressing force is a heat-resistant seal ring 90.
The adjustment bolt 92 is provided at one end of the second cover 86.
The pressing force on the ring pressing member 91 can be adjusted freely by screwing into the ring.

With this configuration, the combustion exhaust gas from the combustion chamber 61 is supplied to the heating chamber 18 of the heating tank 6 through the pipe 73, the inner tubular member 71, and the pipe 73 as indicated by an arrow 94. The heat-insulating seal ring 78 prevents the combustion exhaust gas flowing through the inner tubular member 71 from flowing into the outer tubular member 72 (gas supply passage 66). The organic gas generated in the processing chamber 14 is supplied to the combustion chamber 61 of the combustion burner means 60 as indicated by an arrow 95 through a pipe 79 and a space between the outer cylindrical member 72 and the inner cylindrical member 71. The heat insulating seal ring 90 prevents the organic gas flowing in the outer cylindrical member 72 from flowing to the ball bearing 89 and leaking to the outside. In this embodiment, the organic gas flowing inside the outer tubular member 72 is:
When the flow path switching valve 132 is in the second state, water is removed through the bypass flow path 134 and then supplied to the combustion burner means 60. By providing the frame swivel joint structure 70 between the carbonization furnace 2 and the combustion burner means 60 in this manner, relative rotation of the carbonization furnace 2 with respect to the combustion burner means 60 is allowed, and the first rotation of the carbonization furnace 2 is performed. The angular position and the second angular position can be positioned.
Further, by defining the exhaust gas supply passage 64 by the inner tubular member 71 of the frame swivel joint structure 70 and defining the gas supply passage 66 by the outer tubular member 72, the combustion exhaust gas having a relatively high temperature can be obtained. , A relatively low-temperature organic gas flows around the periphery of the ball bearing 89.
Heat transfer to the outer cylindrical member 72 can be stably supported over a long period of time. As shown in FIG. 2, in order to further suppress heat transfer to the ball bearing 89, if necessary, a part of the thick sleeve 83 and / or a part of the second cover 86 of the support cover 84 may be provided. The heat-resistant heat insulating material 93 described above may be filled.

Next, referring mainly to FIGS. 1 and 4,
The carbonization process by the above-described carbonization device will be described. When carbonizing the processed material, first, the carbonized furnace 2 is held at the first angular position shown in FIG. 1, the lid 23 is opened, and the processed material is charged into the carbonization tank 4 through the charging / discharging port 21. Thereafter, the lid 24 is closed to seal the charging / discharging port 21, and the carbonization of the processed material is started. At this time, the flow path switching valve 13
2 is held in the first state, the first on-off valve 156 and the second on-off valve 160 are kept in the open state, and the third on-off valve 164 and the fourth on-off valve 168 are kept in the closed state.

During the carbonization of the processed material, the carbonization furnace 2 is maintained at the first angular position. During this carbonization process, fuel is burned by the combustion burner 63 of the combustion gas burner means 60, and the combustion exhaust gas from the combustion chamber 61 is supplied to the heating chamber 18 of the heating tank 6 through the exhaust gas supply passage 64. The supplied combustion exhaust gas heats the carbonization tank 4 and the processing object therein, thereby performing carbonization processing on the processing object. During the carbonization process, the electric motor 69 is operated, and the stirring member 28 is rotated in a predetermined direction by the rotating shaft 24.
Thus, the processed material in the carbonization tank 4 is agitated by the stirring member 28, and a uniform carbonization process is performed on the processed material. Organic gas generated from the processed material during this carbonization process is:
The fuel is supplied to the combustion chamber 61 of the combustion burner means 60 through the gas supply passage 66 and is burned together with the fuel.

When the water content of the treated product is large, for example, 10% or more, or is expected to be 10% or more, the flow path switching valve 132 of the gas supply flow path 66 is changed from the first state to the second state. Can be switched. When the flow path switching valve 132 is switched, the bypass flow path 134 is opened, and the organic gas generated in the carbonization tank 4 is supplied to the combustion burner means 60 through the bypass flow path 134. At this time, the cooling fan 138 and the suction pump 144 operate, and the gas on-off valve 14
6 is opened.

When the treated material is carbonized in such a state, the high-temperature organic gas containing water vapor generated from the treated material is supplied from the gas supply passage 66 through the passage switching valve 132 by the action of the suction pump 144. It is led to the bypass channel 132. The organic gas guided to the bypass flow path 132 is cooled by the condenser 140 having the cooling fan 138, and after the water vapor contained in the organic gas is condensed, flows into the upper tank 150 of the separator 142. Water and organic gas are separated in the upper tank 150. And
The water collected at the bottom of the upper tank 150 is passed through the water pipe 15
4 to the lower tank 152, and the lower tank 1
Collected in 52. On the other hand, the organic gas from which water has been removed
The gas is sucked further downstream by the action of the suction pump 144, passes through the bypass passage 134 and the gas on-off valve 146, flows to the downstream side of the gas supply passage 66, and
And is burned together with the fuel. Therefore, when the water content of the organic gas is high, by flowing this organic gas through the bypass channel 134, the water contained therein can be removed by the action of the water removing means 136.

The switching of the flow path switching valve 132 is performed, for example, at the beginning of the carbonization process (for example, about 1 to 3 hours).
In the above, the second state may be maintained to remove moisture in the organic gas, and then the first state may be set after a lapse of a predetermined time (for example, the switching time can be set by a timer time). . Further, instead of such a configuration, a water content detection unit 170 is provided on the upstream side of the connection portion of the bypass passage 134 of the gas supply passage 66, and the water content of the organic gas flowing through the gas supply passage 66 is provided. May be detected and the flow path switching valve 132 is automatically switched. For example, the water content in the organic gas is not less than a first predetermined value, for example, 5
%, The flow path switching valve 132 is automatically set to the second
And the water content in the organic gas is removed, and when the water content becomes a second predetermined value, for example, 3% or less, the flow path switching valve 132 is automatically set to the first state. It may be returned. Alternatively, at the start of the carbonization process, the flow path switching valve 132 is kept in the second state to remove the moisture in the organic gas, and then when the moisture in the organic gas decreases, the detection signal of the moisture content detection means 170 is changed. The flow path switching valve 132 may be returned to the first state by utilizing.

When the carbonization of the workpiece is completed, the carbonization furnace 2 is positioned at the second angular position shown in FIG. The positioning at the second angular position may be performed by rotating the carbonization furnace 2 by operating the electric motor 57. When the carbonizing furnace 2 is positioned at the second angular position, the charging / discharging port 21 is located at the lowest position. Then, in this state, the lid 23 may be opened.
The carbonized material in the inside is discharged to the outside through the charging / discharging port 21, and the carbonizing process on the processed material is completed in this manner. After the carbonization process, the lid 23 is closed, and then the carbonization furnace 2 is positioned at the first angular position.

Although the above-described embodiment has been described as applied to a configuration in which the carbonization furnace is rotated, the configuration for removing moisture in the organic gas is the same as that in a normal configuration in which the carbonization furnace is not rotated. Can be applied to FIG. 5 shows another embodiment of the carbonization apparatus of the present invention. In this embodiment, the same reference numerals are given to substantially the same components as those of the embodiment shown in FIGS. I do. In FIG. 5, this carbonizing apparatus is a fixedly installed carbonizing furnace 106.
The carbonization furnace 106 includes a carbonization tank 102 defining a processing chamber 101 and a heating tank 104 defining a heating chamber 103. The carbonization furnace 106 and its related configuration are substantially the same as those of the carbonization apparatus shown in FIG. 6, and are outlined as follows. In the upper part of the carbonization tank 102, the charging port 1
08 is provided, and the first lid 110
Is provided to be openable and closable, and a discharge port 112
A second lid 114 is provided at the outlet 112 so as to be openable and closable. A rotating shaft 116 on which a stirring member 118 is mounted is rotatably supported by the carbonization tank 102. The combustion burner means 120 comprises a combustion housing 124 defining a combustion chamber 122 and a combustion housing 12
4, the combustion chamber 122 of the combustion burner means 120 and the heating chamber 103 of the heating tank 104 are communicated via an exhaust gas supply flow path 128, and the processing chamber of the carbonization tank 102. 101 and the combustion chamber 122 are communicated via a gas supply channel 130.

The bypass passage 134 and its related structure (such as the water removing means 136) may be substantially the same as those of the embodiment shown in FIGS. The gas supply passage 130 is provided so as to bypass a part of the gas supply passage 130. Such a bypass channel 13
Also in the carbonizing device provided with 4 and the configuration related thereto, the bypass channel 134 and the configuration related thereto are substantially the same, so that the same operation and effect as described above are achieved.

Although the embodiment of the carbonizing apparatus according to the present invention has been described above, the present invention is not limited to such an embodiment, and various changes and modifications can be made without departing from the scope of the present invention. is there.

[0047]

According to the carbonizing device of claim 1 of the present invention,
A bypass flow path is provided so as to bypass a part of a gas supply flow path that guides the organic gas generated in the carbonization furnace to the combustion Ghana means, and a moisture removal means is provided in the bypass flow path. Is passed through this bypass flow path, whereby the water (water vapor) contained in the organic gas can be removed by the water removing means. Therefore, the temperature of the combustion burner does not decrease due to the water vapor in the organic gas, the organic gas can be completely burned by the combustion burner means, and the temperature of the combustion exhaust gas can be kept high.
The treated material can be efficiently carbonized at a high temperature.

Further, according to the carbonization apparatus of the second aspect of the present invention, the charging and discharging port is provided in the carbonizing furnace, and when the carbonizing furnace is at the first angular position, the charging and discharging port is located on the upper side of the carbonizing furnace. Can be introduced into the carbonization furnace through the charging and discharging port, and when the carbonizing furnace is at the second angular position, the charging and discharging port opens to the lower side of the carbonizing furnace,
The treated material can be discharged to the outside of the carbonization furnace through the charging / discharging port. In addition, since one inlet / outlet is provided in the carbonization furnace, the heating area of the carbonization furnace can be enlarged, and the heating efficiency of the carbonization furnace and the processing object stored therein can be increased. Furthermore, since the charging / discharging port is opened and held on the upper side of the carbonizing furnace during the carbonizing process,
The processed material does not flow to the charging / discharging port, whereby the structure of the lid for sealing the charging / discharging port can be made relatively simple, thereby reducing the manufacturing cost of the carbonizing device. Can be. Further, according to the carbonization apparatus of claim 3 of the present invention, the inlet is provided at the upper part of the carbonization furnace, and the discharge port is provided at the lower part thereof. Moisture contained in the organic gas generated in the furnace can be removed.

Further, according to the carbonization apparatus of the present invention, the carbonization furnace is constituted by the carbonization tank and the heating tank covering the outside thereof, and the combustion exhaust gas from the combustion burner means is supplied to the exhaust gas supply passage. By feeding into the heating chamber of the heating tank through
The combustion exhaust gas can be used to heat the carbonization tank and the processing object stored therein.

Further, according to the carbonization apparatus of the present invention, the charging / discharging port is located at or near the uppermost position of the carbonizing furnace when in the first angular position. Can be charged into the carbonization furnace, and the flow of the processed material to the charging / discharging port during the carbonization can be reliably prevented. In addition, when at the second angular position, the charging / discharging port is located at or near the lowest position of the carbonization furnace, so that the carbonized treatment product can be reliably discharged from the carbonization furnace to the outside. Further, according to the carbonizing device of claim 6 of the present invention, the combustion exhaust gas having a relatively high temperature flows through the inner cylindrical member of the frame swivel joint structure, and the relatively low temperature carbonized tank flows through the outer cylindrical member. Since the above gas flows, it is possible to suppress a rise in the temperature of the frame swivel joint structure and to prevent damage to components such as bearings due to heat.

Further, according to the carbonizing apparatus of the present invention, the rotating shaft on which the stirring member is mounted is rotatably supported in the carbonizing furnace, so that the rotating shaft is rotated to rotate the stirring member. By moving, the carbonization process of the processed material can be made uniform. Furthermore, according to the carbonizing device of claim 8 of the present invention, since the heat insulating material is disposed inside the axially intermediate portion of the rotating shaft, the heat is transmitted to both ends of the rotating shaft by the heat insulating material. Therefore, it is possible to reduce the adverse effect of heat on the bearing means.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of a carbonizing device according to the present invention.

FIG. 2 is a cross-sectional view showing a frame swivel joint structure and its vicinity in the carbonizing device of FIG.

FIG. 3 is a cross-sectional view showing a rotating shaft of the carbonizing device of FIG. 1 and its vicinity.

FIG. 4 is a cross-sectional view showing a main part of the carbonizing device of FIG. 1 in a state where the main part is held at a second angular position.

FIG. 5 is a schematic view showing another embodiment of the carbonizing device according to the present invention.

FIG. 6 is a cross-sectional view showing an example of a conventional carbonizing device.

[Explanation of symbols]

 2,106 Carbonization furnace 4,202 Carbonization tank 6,104 Heating tank 14,101 Processing chamber 18,103 Heating chamber 20 Rotary support mechanism 24,116 Rotary shaft 28,118 Stirrer 60,120 Combustion burner means 61,122 Combustion chamber 63, 126 Combustion burner 64, 128 Exhaust gas supply passage 66, 130 Gas supply passage 70 Frame swivel joint structure 71 Inner tubular member 72 Outer tubular member 132 Flow passage switching valve 134 Bypass passage 136 Water removal means 138 Cooling fan 140 Condenser 142 Separator for moisture separation 144 Suction pump 146 Gas on-off valve 170 Water content detection means

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B09B 3/00 302 B09B 3/00 302C 302Z C10B 53/02 C10B 53/02 F23G 5/02 ZAB F23G 5 / 02 ZABA 5/027 ZAB 5/027 ZABZ 5/16 ZAB 5/16 ZABB F term (reference) 3K061 AA18 AA23 AB02 AC01 AC11 AC13 AC14 AC19 CA01 CA07 FA10 FA15 FA21 FA23 3K065 AA18 AA23 AB02 AC01 AC11 AC10 AC13 BA09 BA22 CA02 CA09 CA12 CA24 4D004 AA01 AA03 AA07 AA11 AA12 AC04 CA26 CB34 CB36 4H012 HA02 HB02 HB10 JA03 JA12

Claims (8)

[Claims] 1. A carbonization furnace for carbonizing a processed material,
Combustion burner means for burning fuel, an exhaust gas supply passage for leading combustion exhaust gas burned by the fuel burner means to the carbonization furnace, and an organic gas generated in the carbonization furnace to the combustion burner means A gas supply channel,
The carbonization furnace is heated by the combustion exhaust gas supplied from the combustion burner means through the exhaust gas supply flow path, and the organic gas supplied from the carbonization furnace through the gas supply flow path is supplied to the combustion burner means. In the carbonization device, the gas supply flow path is provided with a bypass flow path via a flow path switching valve, and the bypass flow path is provided with a moisture removing unit. Is in the first state, the organic gas from the carbonization furnace is supplied to the combustion burner means through the gas supply flow path, and when the flow path switching valve is in the second state, the carbonization furnace Wherein the organic gas is supplied to the combustion burner after the moisture is removed by the moisture removing means. 2. The carbonization furnace is rotatably supported by a rotation support mechanism about an axis extending in a lateral direction, and a processing object is charged into an outer peripheral surface of the carbonization furnace and the input processing object is discharged. And a cover body for opening and closing the charging / discharging port. The carbonizing furnace is configured such that the charging / discharging port is opened upward when a processing object is charged and carbonized. 2. The carbonizing apparatus according to claim 1, wherein the charging / discharging port is held at a second angular position in which the charging / discharging opening is opened downward when discharging the carbonized processed material held at the first angular position. . 3. An upper portion of the carbonization furnace is provided with an input port for charging a processed material, and a first lid body for opening and closing the input port, and a lower portion of the lower portion of the carbonization furnace. 2. The carbonizing apparatus according to claim 1, further comprising a discharge port for discharging the carbonized material, and a second lid for opening and closing the discharge port. 4. The carbonization layer includes a carbonization tank in which a material to be carbonized is accommodated, and a heating tank defining a heating chamber so as to cover the outside of the carbonization tank. The combustion exhaust gas of (1) is supplied to the heating chamber through the exhaust gas supply passage.
The carbonizing device according to any one of the above. 5. The carbonization furnace has a substantially cylindrical outer shape, the central axis of which extends in the lateral direction, and the charging / discharging port of the carbonization furnace is at the highest position when in the first angular position. The carbonization device according to claim 2, wherein the carbonization device is located at or near the position, and is located at or near the lowest position when in the second angular position. 6. A frame swivel joint structure including an inner cylindrical member and an outer cylindrical member disposed concentrically and rotatably relative to each other between the carbonization furnace and the combustion burner means. 3. An apparatus according to claim 2, wherein the inner tubular member defines a part of the exhaust gas supply passage, and the outer tubular member defines a part of the gas supply passage. ,
6. The carbonizing device according to 4 or 5. 7. The carbonizing furnace according to claim 1, wherein a rotating shaft is rotatably supported on the carbonizing furnace, and a stirring member for stirring the workpiece is mounted on the rotating shaft. The carbonizing device according to claim 1. 8. The rotating shaft has both ends rotatably supported via bearing means, and a heat insulating material is provided inside an axially intermediate portion of the rotating shaft excluding the both ends. The carbonization device according to claim 7, characterized in that: